CVE-2023-5482

8.8 HIGH

📋 TL;DR

This vulnerability allows remote attackers to perform out-of-bounds memory access in Google Chrome's USB component via a crafted HTML page. Attackers could potentially execute arbitrary code or cause denial of service. All users running vulnerable versions of Chrome are affected.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: Prior to 119.0.6045.105
Operating Systems: Windows, Linux, macOS, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires USB functionality enabled, but this is typically default

📦 What is this software?

Chrome by Google

Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to full system compromise, data theft, or ransomware deployment

🟠

Likely Case

Browser crash/denial of service, potential information disclosure via memory leaks

🟢

If Mitigated

No impact if patched or proper network segmentation prevents malicious page access

🌐 Internet-Facing: HIGH - Exploitable via visiting malicious websites
🏢 Internal Only: MEDIUM - Requires user interaction with malicious content

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Requires user to visit malicious webpage; no authentication needed

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 119.0.6045.105 and later

Vendor Advisory: https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_31.html

Restart Required: Yes

Instructions:

1. Open Chrome settings 2. Click 'About Chrome' 3. Allow auto-update to 119.0.6045.105+ 4. Restart browser when prompted

🔧 Temporary Workarounds

Disable USB device access

all

Prevent Chrome from accessing USB devices via site permissions

chrome://settings/content/usbDevices

Use browser sandboxing

all

Run Chrome in sandboxed/isolated environment

🧯 If You Can't Patch

  • Block access to untrusted websites via web proxy/firewall
  • Implement application allowlisting to prevent unauthorized Chrome execution

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in settings: chrome://settings/help

Check Version:

google-chrome --version (Linux) or check About Chrome in browser

Verify Fix Applied:

Confirm version is 119.0.6045.105 or higher

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports
  • USB access errors in system logs

Network Indicators:

  • Unusual outbound connections after visiting websites

SIEM Query:

source="chrome" AND (event="crash" OR event="usb_error")

🔗 References

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